<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>第四个</title>
</head>
<body>
<img width = "100%"  id = "t1"  src = "4-1.png" />
<img width = "100%"  id = "t2"  src = "4-2.png" />
<img width = "100%"  id = "t3"  src = "4-3.png" />
<img width = "100%"  id = "t4"  src = "4-4.png" />
<img width = "100%"  id = "t5"  src = "4-5.png" />

<h3 style = "background:pink;position:fixed;right:0px;top:650px;">
<a href = "#t1">第一页</a>
<a href = "#t2">第二页</a>
<a href = "#t3">第三页</a>
<a href = "#t4">第四页</a>
<a href = "#t5">第五页</a>
</h3>
</body>
</html>